<div class="my-3"><div class="{{$ctrl.provinceClass}}"><select required ng-model="$ctrl.province"><option value="" selected="selected">Tỉnh / Thành</option><option ng-repeat="item in $ctrl.provinceOptions track by $index" ng-value="item.value">{{item.value}}</option></select></div><div class="{{$ctrl.districtClass}}"><select required ng-model="$ctrl.district"><option value="" selected="selected">Quận / Huyện</option><option ng-repeat="item in $ctrl.districtOptions track by $index" ng-value="item.value">{{item.value}}</option></select></div><div class="{{$ctrl.wardClass}}"><select required ng-model="$ctrl.ward"><option value="" selected="selected">Phường / Xã</option><option ng-repeat="item in $ctrl.wardOptions track by $index" ng-value="item.value">{{item.value}}</option></select></div></div>